.content{
    display: flex;
    width: 100%;
    height: 80%;
    align-items: center;
    .left{
        float: left;
        width: 30%;
        height: 100%;
        background-color: white;
        border-right: 1px solid #ddd;
    }
    .right{
        float: left;
        width: 70%;
        height: 100%;
        background-color:white;
    }
}
